PROBLEM TO BE SOLVED: To provide a two layer separation type liquid composition for an oral cavity which has a taste free of a disagreeable taste, provides a sense of mildness in the oral cavity, and provides a tempostabile visual appearance by being clearly separated into two layers when still standing.SOLUTION: A two layer separation type liquid composition for an oral cavity has two separated layers comprising: a W/O type emulsion composition layer including an oil solution (A) which is a liquid at 25°C and a polyoxyethylene alkyl ether (B) and a water layer. The water layer includes a hydroxyalkyl cellulose (C).COPYRIGHT: (C)2014,JPO&INPIT【課題】使用時にいや味がなく、口腔内にマイルド感を与え、また、静置時に2層にきれいに分離して経時で安定な外観を与える2層分離型液体口腔用組成物を提供する。【解決手段】25℃で液体である油剤(A)及びポリオキシエチレンアルキルエーテル(B)を含有してなるW/O型乳化組成物層と、水層との2層が分離してなることを特徴とする2層分離型液体口腔用組成物。更に、水層が、ヒドロキシアルキルセルロース(C)を含有する上記2層分離型液体口腔用組成物。【選択図】なし